spud/cli/build.go

package cli

import (
	"fmt"
	"github.com/spf13/cobra"
	"log"
	podman "spud/podman"
	service_definition "spud/service_definition"
)

func getBuildCommand() *cobra.Command {
	build := &cobra.Command{
		Use:   "build",
		Short: "Build service images.",
		RunE: func(cmd *cobra.Command, args []string) error {
			pathProvided, err := cmd.PersistentFlags().GetString("definition")

			if err != nil {
				return fmt.Errorf("%+v", err)
			}
			def, err := service_definition.NewDefinitionFetcher().GetDefinition(pathProvided)

			if err != nil {
				return fmt.Errorf("Failed to read service definition from file: %+v", err)
			}

			imagesToBuild := def.Build.Images

			if len(imagesToBuild) == 0 {
				log.Print("No images defined - nothing to build!")
			}

			for _, imageDef := range imagesToBuild {
				podman.Build(imageDef)
			}
			return nil
		},
	}
	build.PersistentFlags().StringP("definition", "d", "./service.yml", "Path to the service definition to use.")

	return build

}